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在open foam用interphasechangefoam进行两相流空化计算,空化模型SS模型,入口为速度入口,出口为压力出口,出口压力设置为122300Pa,空化压强2300,计算出的p_rgh和p都有负压区,该怎么解决呢
这个问题我也遇到过,比如对于同一个流场,同样的空化数,来流速度10m/s就不会产生负压,来流速度20m/s就有负压产生。增加SS空化模型的系数n的值或许能解决问题。